<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport"
        content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>扩展运算符应用</title>
</head>
<body>
  <div></div>
  <div></div>
  <div></div>
  <script>
    //1. 数组的合并 情圣  误杀  唐探
    // const kuaizi = ['王太利','肖央'];
    // const fenghuang = ['曾毅','玲花'];
    // // const zuixuanxiaopingguo = kuaizi.concat(fenghuang);
    // const zuixuanxiaopingguo = [...kuaizi, ...fenghuang];
    // console.log(zuixuanxiaopingguo);

    //2. 数组的克隆
    // const sanzhihua = ['E','G','M'];
    // const sanyecao = [...sanzhihua];//  ['E','G','M']
    // console.log(sanyecao);

    //3. 将伪数组转为真正的数组
    const divs = document.querySelectorAll('div')
    const divArr = [...divs]
    console.log(divArr)// arguments
  </script>
</body>
</html>